The only convicted murderer featured on Snapped twice, Davalloo tells her story in an exclusive prison interview. We look back at the crimes that put her behind bars, reveal details from her past, and examine a possible connection to a cold case.

A crime novelist's plot for her husband's untimely death takes an unexpected turn.

A fitness queen turns fugitive when her assistant's body turns up in her car. (also shown as S8:E5)

An in depth look at the life and crimes of master manipulator, and monster, Drew Peterson. Peterson is currently serving time for the murder of his third wife while the search for his fourth wife Stacy continues.

A foreclosure leads police to a concrete grave and a twisted plot of deception, fraud and murder, as one woman goes to extraordinary lengths to avoid justice.

The mystery of a decapitated corpse leads police to make an unlikely accusation about a college student and her missing husband.

As the wife of a successful football star and mother of two, she seemed to lead a charmed life. But when she shot her husband dead at point-blank range, she pleaded self-defense. She claims that abuse is what caused her to shoot her husband, but police find that years earlier she had committed the crime of larceny.

A 17-year relationship ends in gunfire, leaving two children fatherless as cops ask - was it self-defense or was it an act of jealousy?

Sought out by serial killer, Ted Bundy, in the 1970s, Criminal Defense Attorney, John Henry Browne delves into his personal and professional journey to defend one of the most notorious killers in history.

A doting grandmother alerts police when she recognizes her daughter's dead body on the evening news, triggering an investigation that proves blood isn't always thicker than water.

A troubled woman turns her life around when she moves back home to the family farm. When her elderly mother disappears, police uncover a twisted web of deceit, betrayal, and forbidden romance.

A family's suspicion leads them to the grisly truth about a young father's disappearance.

A brutal fight leaves a New York woman fighting for her life and her freedom.

When a charismatic father and adored member of the local youth sports community is bludgeoned to death, police must discern fact from fiction to pinpoint his murderer.

When medical examiners determine that a terminally ill Arizona man may have not died from natural causes as his family previously thought, a homicide investigation begins to unravel the truth.

The case of a missing man uncovers a family willing to go to any lengths to get what they want.

Nurse Charles Cullen is one of America's most prolific serial killers. Police say he may have murdered up to 400 victims, Cullen claimed he acted mercifully. An in-depth look into the case reveals the truth behind his motives.

A wife was settled into a comfortable life with her husband, living together in a trailer on a few acres with a view of Washington's Mt. Rainer. Then, in June of 1986, her husband dropped dead on the deck of the trailer. Though doctors said it was emphysema, she swore it was the Excedrin he'd taken just moments before his collapse.

After an alcoholic millionaire dies of seemingly natural causes, an unexpected betrayal reveals there may be more to the victim's death - and to his beautiful party-girl niece - than first meets the eye.

A former teacher's plea of self-defense is called into question when secrets about her sordid secret work life are revealed.

An Oakland hairdresser claims her boyfriend's death is an unfortunate accident.

When a professional basketball star is gunned down in his hometown of Memphis, the case goes cold for nearly a decade. However, after a new team of investigators take over, they uncover the missing murder weapon and a mastermind close to home court.

A 22-year-old teacher has a devoted husband and a good job. Though she had ambitions of being on television, she enjoyed working with teenagers as the media director at Winnacunnet High School in Hampton, NH. Then, in May of 1990, her life takes a tragic turn when she returns home to find her husband shot to death. Police suspect a robbery until a tip off reveals an alleged affair.

The anticipated conclusion to the story behind the trial that captured the nation's attention. Part 2 of 2.

A man's last will and testament points police to his murderer.

Police believe nurse Kristen Gilbert may have committed up to 60 murders at a hospital in Massachusetts. Some say an affair drove Gilbert to murder while others think her narcissism caused the death of these innocent patients.

A haunting text message leaves the family of a missing young man desperate for answers.

A prominent scientist is bludgeoned to death with a blue stiletto heel.

As a blonde, beautiful and ambitious woman, she never had any trouble finding success or successful men. In fact, by the time she was 34, she had been married to two of them, and had given birth to two children by each. Her second husband was a successful divorce attorney from the nearby town of Celina. Shortly after the birth of her fourth child, her marriage began to falter and they started going through a divorce. When it turned nasty, she shot her husband. Pleading self-defence, she was acquitted in court, but the dead man's family wasn't satisfied.

A murder in broad daylight causes the authorities to question whether it was an act of self-defense or a cold blooded murder.

Police follow a lead in a missing persons investigation to a 115-acre farm, unearthing the site of a gruesome crime and a seductive killer that will go down in New Hampshire history.

After a small-town man is found shot to death at a Missouri roadside park, the evidence trail leads detectives further into the man's complicated past where they uncover a wicked plot that no one saw coming.

After a psychic dream leads detectives in Florida to the body of a missing nurse, the ensuing investigation uncovers a series of brutal betrayals.

A popular cab-driver is shot dead on the job, but the search for his killer reveals his wife’s secret prison visits, a torrid affair and a possible conspiracy.

A churchgoing southern woman loses her husband to tragedy, but a cloud of suspicion haunts her new marriage and leads investigators to a new conclusion.

After casually dating Katrina for less than a month, Eric is found dead in his apartment. The suspicious death leaves the police asking if it was a suicide, an intruder, or if Katrina has a deadly secret?

The celebrity murder that shocked a nation – one of the country’s leading comedians is gunned down in his own home.

Years after the tragic shooting of his father, a young man reveals the depths of his mother's cruelty.

The murder of a church choir member uncovers a sordid secret and an unlikely love triangle.

When a woman is brutally murdered and her neighbor attacked, police discover the two women share more than a property line.

A young woman's obsession with fantasy role-playing games ends with the real world murder of her father.

A case study of an Arizona woman who was convicted of the August 2007 shooting death of her husband. (also shown as S8:E19)

In 2005, a wife accidentally shot her police officer husband with his service weapon. But, when police learned the grieving widow had also embezzled money from her church to cover the family's debt, was her husband's life insurance a motive to kill? (original aired S6:E8)

In Akron, OH, a beauty queen ends up in the spotlight when a local murder reveals her scandalous secret life, but was she wrongly accused? (original aired S6:E9)

In Greeley, CO, the motive behind the execution-style murder of a police officer's wife puts a dark new twist on the term "internal affairs." (original aired S6:E25)

Two bodies in the back of a burning car lead police to the door of a police officer's wife. (also shown as S8:E11) (original aired S6:E2)

A yoga instructor's death reveals his girlfriend's secret double life. (also shown as S8:E10)

A modern-day Romeo and Juliet story has a killer ending. (also shown as S8:E4)

A small town church is stunned when a parishioner is murdered; in a stunning twist the suspect pool is drawn directly from the church walls.

A parking lot shooting in the dead of night leaves detectives with a long list of suspects, but all along the killer was hiding in plain sight.

After a woman discovers her brother’s brutally beaten body on his bathroom floor, Texas police follow clue after clue and weave together a tale of greed, deception, and manipulation.

After a father’s life is tragically cut short in a car accident, the events that follow force Ohio investigators to race against the clock to prevent a murder-for-hire plot before it’s too late.

After an endearing World War II veteran and family man is laid to rest from apparent natural causes, a surprise witness surfaces with murder accusations, sparking a police investigation into a devious predator.

Raised on a Texas farm, a young woman spent her childhood taking care of her siblings. When she left home, she began a string of bad marriages and by 1990, she was filing for her third divorce. With one daughter grown, and a son living with her second ex-husband, she was at a crossroads in her life. That's when ex-husband number three convinced her to come back to him. She was a battered hhousewife and eventually she shot and wounded her violent spouse. Instead of protecting her, the local sheriff raped her. Then, she filed a civil suit to fight for justice.

A man dies in an apparent freak accident, but soon his wife is accused of murder and more.

A brutal attack in a yoga shop leaves one victim dead -- and the other... a suspect.

When a beloved mother goes missing on her birthday, detectives are faced with several possible suspects before focusing on a co-worker with a shocking past who will do anything to hide their true identity.

On Halloween night a knife-wielding intruder attacks and kills two roommates and leaves another lucky to be alive. Although the story is reminiscent to the plot of a horror film - for this California town the terror is all too real.

A successful healthcare executive's marriage had hit the rocks. In February 2000, after years of marital turmoil, her husband was discovered beaten and stabbed to death.

A quiet California cul-de-sac becomes a crime scene when a couple's domestic drama reaches a deadly climax.

A meek woman married her high school sweetheart, a Canadian Army instructor. He soon became an abusive, controlling husband. After two children and 17 years of abuse, he told her to commit suicide, so he could get rich, or he would kill her and their children. On May 14th, he was dead.

After the body of a teen is found at a local party spot, theories surrounding her death spread. Without evidence, the case goes cold for 30 years. When the investigation heats back up, authorities bring the killer to justice for not 1 but 2 murders.

When the body of a young man is discovered burned beyond recognition, Alabama authorities sift through evidence to track down the unlikely couple at the center of this heinous crime.

As investigators search for the vicious killer of a Navy yeoman in Kitsap, WA, they come across the troubling realization that the victim may have expected his own demise.

The discovery of a murdered man exposes the dark and disturbing secrets hidden within his family.

After a beloved town librarian is gunned down, investigators discover that this murder-for-hire gives a whole new meaning to a broken heart.

Helen's boyfriend goes missing just as authorities find a dismembered torso, but is it case closed? Or 20 years later, is Helen's new story a game changer?

The story behind the beautiful suspect in a brutal murder investigation and the trial that captured the nation's attention. Part 1 of 2.

A woman runs a boarding house with a killer eviction policy.

They say deaths come in three, but when a young woman falls ill after eerily similar deaths of her father and brother, suspicion turns to a family member and the limits of a mother's love.

Best friends band together after a husband's death, but are they sharing a deadly secret?

When her Air Force Captain husband was shot dead, investigators blamed Michelle's lover, but when they tried to arrest the widow for conspiracy, she had vanished.

A petite, vivacious woman lived an unusual life having been married and divorced four times. She met her fifth husband, a recently divorced rich doctor, through a dating service. He thought she was what he needed and that he had a second chance at marital bliss. So, no one believed that he would commit suicide.

A Tennessee woman led a seemingly normal life in an upscale Brentwood neighborhood. She was married and had started a successful business. But, her relationship with her husband was troubled. It wasn't long before her depression and an affair put murder on the agenda.

A woman spent years campaigning for her husband, a brilliant scientist, to be allowed to leave the Soviet Union and, eventually, they were able to live freely together in the US. However, in April 1996, police discover garbage bags full of the husband's body parts being thrown into the Passaic River in New Jersey. His wife is the prime suspect for the crime.

A mysterious shooting of a religious family man leaves a community questioning if it was a drug-related slaying or a bloody family affair.

An investigation into the heinous murder of a college student in Las Vegas ignites an international manhunt and exposes a lethal love triangle.

A wife refuses to watch a Star Wars cartoon with her husband, so he strikes her -- and she strikes back.

When a businessman went missing in 1996, a business rivalry was revealed and, subsequently, the grisly truth.

She shot her husband three times after their business collapsed and he embarked on an affair, but would a jury believe her claim of self-defense?

A former beauty queen is married to an older, wealthy heart surgeon. In May 2001, she wakes up next to her dead husband's body and becomes the prime suspect. Did she administer the lethal cocktail of drugs, etomidate and atricurium, that killed her husband?

A husband is shot to death on New Year's Day in January 2009.

A lesbian love triangle turns deadly when one woman disappears and police look to the other two for answers.

A nurse's life is turned upside down when her husband is murdered and a secret video shows that she's hiding something from police. (also shown as S8:E16) (original aired S6:E16)

When a married teacher's student lover moves into the home she shares with her husband, a deadly love triangle is formed that leads to an emotionally driven murder.

After an Air Force pilot is found shot to death in his Ohio home, authorities embark on an international manhunt that spans over a decade to bring the fugitive to justice.

In a shocking case in Missouri, a mother is left for dead and her baby stolen when she does the kindly thing and lets an unknown woman into her house to use the telephone.

A beloved health care worker is viciously attacked in her home with only her daughter as a witness. Police must follow the disturbing clues at the scene to discover the truth behind this heinous attack that leaves a family shattered.

When a beloved biker is found shot to death in his Pennsylvania apartment, detectives track down leads from rival biker clubs to scorned lovers to uncover the truth.

Snapped’s 500th episode spotlights the twisted story of a heinous murder plot in Kansas, rife with betrayal and deceit. In an exclusive interview with someone personally involved in the crime, hear a riveting account of the deadly scheme.

When police searching for a missing Indiana man discover a body on a riverbank, they launch an investigation that unearths a surprising story of an open marriage and evidence of a brutal torture.

A 13-year-old confesses to murder, but police suspect he's being manipulated by his half-sister.

They say a mother's love is forever, but when a dead body is found in a small town in Texas will it have one mother facing death?

An elderly woman's death leads to shocking revelations about her daughter's double life.

When a young Marine goes missing, police uncover his troubled marriage and a deadly plot.

A murder in an isolated parking lot leads to betrayal, multiple suspects and a lot of finger-pointing.

The search for a missing boater on Lake Coeur d’Alene turns sinister after a local newspaper uncovers a shocking story, forcing residents of this peaceful lake town to question their own neighbors.

When a pair of Amish teenagers on horseback come across a man’s body in a field, detectives in southern Michigan work to piece together an atrocious crime.

A possessive student was looking forward to a career in criminal law, but a spat with her boyfriend would see her as a defendant, not an attorney.

An exotic 34-year-old brunette was living very comfortably thanks to her generous, and married, lover. In February of 1991, the married lover's wealthy wife was brutally murdered while on vacation in Mexico. Arizona authorities opened their own investigation, suspicious of her husband and his mistress. (also shown as S7:E33, S8:E3)

A custody issue is resolved when a woman and her new husband kill her ex.

When a loving wife of a Vietnam veteran is found dead in a highway commuter lot, Missouri detectives work to chase down the mastermind of a twisted murder-for-hire plot.

When a young Missouri couple are found shot to death on their front porch, the victims’ past quickly reveals several suspects close to home. Investigators press for a confession from one of the co-conspirators to expose a master manipulator.

The suspicious shooting of a delivery truck driver shrouds the Sunshine State in darkness.

When a charred human torso is discovered on a Native American reservation in Montana, local and federal investigators join forces to piece together a heinous crime.

A preacher and his wife looked like they had a marriage made in heaven -- until a body was found in the parsonage. Was it cold-blooded murder or something else? (original aired S6:E1)

The investigation of a young gamer's murder begins with his mother's heartbreaking 911 call but when detectives find a clue inside evidence left at the crime scene, the case turns into a multi-state search for a heartbroken suspect.

The American Dream for a hard-working immigrant is suddenly cut short, when he is violently murdered with a hatchet in the streets of a Las Vegas suburb. Investigators sift through lies and follow a bloody trail to uncover the shocking truth.

Two young boys are left fatherless when an Air Force sergeant is gunned down by a pair of intruders in his San Antonio home.

When authorities discover a young woman's body in a shed, they struggle to determine whether her killer is someone under her own roof or the result of an illicit affair.

The search for a missing man leads investigators to a surprising discovery.

An elderly woman's body is found dismembered along a rural road, sending Missouri detectives in search of answers.

A mysterious death leads one family into troubled waters as they search for justice.

When the body of a beloved aircraft machinist is found stuffed in the trunk of his own car, investigators follow a trail of deception to a manipulative killer.

The brutal murder of a homecoming queen shocks a NY town.

A cheating wife is carrying on an illicit affair with her multi-millionaire boyfriend. He's later found with his head bashed in.

A Conyers, GA woman, Rosalyn 'Roz' Lewis, who is brutally stabbed 34 times, provides police with a suspect's name, her wife Joyce Pelzer, before succumbing to her injuries. As the manhunt for the killer begins, a pattern of toxicity will expose a violent past and more than one murder.

The case of a beloved Kenosha social worker's murder resurfaces nearly a decade after leads run dry when an odd call from another state reveals the gruesome truth about a vengeful pack of killers.

When a young Texas father is abducted without a trace and later found murdered, Titus County investigators follow a leery trail of cell phone records and internet history to reveal a dangerous conspiracy fueled by a manipulative mastermind.

When a hard-working man goes missing without a trace in rural Barnesville, Georgia, investigators race against the clock to find if he has disappeared on his own volition or if something much more sinister has happened.

One woman's innocence is called into question when a mother of two is found deceased in a Milwaukee home. However, the controversial case is far from buttoned up, when years later, new evidence comes to light...that changes everything.

A horrific murder of a young mother on Halloween night sends California investigators on the hunt for a costumed killer.

When a woman covered in blood shows up on her neighbor's doorstep, Georgia police commence a home invasion investigation that leads them to uncover more twists than they could have ever imagined.

The investigation into a missing mechanic sends Texas authorities on a wild goose chase that ceases at a dead end… until years later, when a new tip heats this cold case to a boil.

A vicious attack leaves a man dead and his girlfriend under suspicion, but is there enough evidence to prove murder?

A single slip of paper in a grandmother's purse reveals a murderer's identity seven years after a case goes cold.

An Albuquerque County Commissioner is shot in his own basement after being mistaken for an intruder by his wife. It was an open and shut case until investigators discovered that her first husband met a very similar fate.

A desperate wife and mother watched her husband suffer for years from Huntington's disease, but when her son fell ill, she was compelled to take drastic action.

When a prominent Santa Rosa, CA, couple is found gunned down at the offices of one of the world's most popular cartoons, detectives are left to untangle the inner workings of a decades-long marriage.

An early morning apartment fire in Fort Worth, TX, sparks a murder investigation when 31-year-old Ashlea Harris' body is found beaten and bound inside; detectives quickly work to solve the case and uncover an elaborate plot fueled by revenge and greed.

A suspicious shooting reveals a pretty real estate agent's scandalous secret life.

Authorities are puzzled when they find a beloved Georgia grandmother shot execution style. As the investigation unfolds, a once close-knit family turns against itself, and authorities soon learn the apple can fall very far from the tree.

A contentious divorce and custody battle lands one father in the crosshairs of a sniper.

When remains of a dead body are discovered under a trailer, the police suspect that they belong to a man who disappeared 5 years earlier.

When a man is beaten to death in his own home, police search for intruders but find a suspect much closer to home.

A mother's family had a habit of dying - until her daughter survived a 'suicide attempt'. (also shown as S8:E4)

When a beloved plastic surgeon and his office manager are gunned down at work, detectives chase down several leads until they uncover one suspect hiding malicious intent.

After a single mother is found murdered in her Kentucky home, detectives must follow a twisted trail littered with lies to identify the mastermind behind this vicious killing.

After a husband was shot dead in their driveway, his wife, an Oklahoma City Baptist Sunday school teacher, was a grieving widow. Soon, an illicit affair with an insurance salesman and an insurance scam are uncovered.

When a newlywed couple is gunned down outside a Texas church, small town cops realize they know the victims as they uncover a murder plot fuelled by twisted family ties.

After a John Doe is found murdered at a Virginia park, investigators spend seven years unravelling the truth behind a killer with a decade-long history of deception and fraud.

Numerous patients at a Texas dialysis treatment centre have gone into cardiac arrest, resulting in five deaths in one month; investigators work with the Centers for Disease Control to expose a chilling connection between the unexplained tragedies.

When two sisters’ husbands turn up dead within weeks of each other, Florida detectives investigate whether the cases are a tragic coincidence…or if they’re related by something other than blood.

A woman blames mistaken identity in her boyfriend's death, but does the evidence point to something more sinister?

A former college teaching assistant kidnaps and shoots her fiancé after he breaks off the engagement.

After what appears to be a fatal road rage incident, authorities in Clifton, AZ, follow a trail of recovered text messages that suggest this was no random attack, but instead a cold-blooded murder.

A loving father agrees to give his ex-wife a chance to reconcile. When his loved ones can’t reach him, however, an unexpected tip is brought to Oklahoma police that will uncover a toxic love triangle and horrific crime scene.

When the last real cowboy is found dead at home, detectives dig in and are hard pressed to find anyone who’d want to see this loving father murdered. But a closer look at his nearest confidants unravel a heinous plot twisted by love and money.

The murder of a New Jersey entrepreneur leaves investigators stumped until months later, when a drug bust brings to light a murder plot riddled with greed, addiction and betrayal.

A newlyweds hunting trip becomes lethal when a woman finds her husband shot dead, sending investigators to track a muddy trail of bullet holes, deception, and dirty laundry left by a devious murderer.

A family's life is turned upside down when a ghost from their past returns for revenge.

A nurse's turbulent marriage flatlines when her husband dies from a lethal dose of liquid morphine.

A toxic mother-daughter relationship spills over to the men in their lives, with deadly consequences. (also shown as S8:E3)

Just as detectives investigating the death of an Atlanta-based rapper are closing what appears to be a domestic dispute case, they are faced with horrifying evidence planted by the victim seconds before his death.

In Gig Harbor, WA, a homicide investigation reveals the dark lengths to which one woman will go for her family's safety.

A doting husband gunned down in Atlanta reveals a wife's secret addiction.

A biochemist becomes obsessed with a co-worker and formulates a plot to eliminate his fiancée and her husband.

A mother is hailed as a hero when she kills a home intruder -- but a secret journal leads police to suspect she may have planned a cold-blooded murder.

After a beloved Missouri barfly is found stabbed in his home, detectives spend years chasing down leads until a local pastor reveals a shocking confession from one of his parishioners, revealing a twisted desire and deadly secret kept for years.

When a devoted father is found brutally stabbed to death in his Deltona, Florida, home, detectives turn their focus to the picture perfect family who appeared to have it all.

When two proud Ghanian immigrants are discovered murdered in their upscale Maryland home, police are confronted with bizarre evidence that motivates them to take a closer look at the mystifying rituals of voodoo.

After a young Texas teacher is found, in what appears to be a scene from a horror movie, having been axed to death on Friday the 13th, investigators work to uncover the truth behind a local church scandal in order to pin down a most unlikely suspect.

On the same day his wife is giving birth, an Alabama trucker is found shot in his own home and as Investigators uncover a sinister web of lies, they discover the ultimate betrayal.

A doctor's wife and mother of five led an ordinary suburban life in Brownsville, TX. She lavished attention on her youngest daughter. In 1993, that youngest daughter was dumped by her high school sweetheart. When he was later found dead, who was guilty of murder?

When the owner of an Ohio landscaping company is found shot to death in his bed, the ensuing investigation exposes an elaborate web of sex, obsession, and power.

On the evening of November 7, 1995, three men broke into the home of a married couple. They tied up the wife and while she watched helplessly, the thugs beat her husband to death with a bat. Police believed that the brutal beating and murder was a robbery gone wrong, but when one of the attackers was caught an even darker picture emerged.

When a renowned Missouri snake breeder is discovered in a pool of blood, investigators believe his death was caused by one of his snakes. However, shocking evidence is found on scene, launching a homicide investigation that unveils a sinister plot.

An Arizona man is shot to death in his garage before he’s able to read the results of a paternity test. Investigators follow a surveillance trail across town to uncover the twisted events that led up to his death.

After a local antique shop owner is murdered in a seemingly random home invasion, North Carolina police discover there is more to the story when a web of lies and infidelity are revealed.

After the burned body of a local man is found in rural Missouri, the homicide goes unsolved for nearly two decades until a twisted murder plot is brought to light.

The 1988 roadside murder of a man in Virginia sends investigators down a path fraught with doubts and dead ends, until a long-buried secret is unearthed hundreds of miles away revealing decades old secrets.

The murder of a local café owner leads a small-town police force to uncover a diabolical scheme fueled by scandalous temptation.

A quiet Wisconsin town is rocked by its first homicide in six years when an eccentric father of four is found dead in his basement.

A violent home invasion leads to suspicion about the victim's stepdaughter and a mystery man, but a startling confession reveals a more intimate betrayal.

In this two part special, Snapped examines the notorious case of the Menendez brothers: their background, their crime and the stunning trials that made history. Part 1 of 2.

A roadside shooting leaves one man dead, and exposes his wife's wild double life.

When Joan Shannon's soldier husband was shot to death by her teenaged daughter, it didn't take long before authorities suspected that she may have played a role in the demise of her well-insured spouse.

When a young father goes missing, authorities suspect his illegal activities, but a revelation about the mother of his children turns the investigation upside down.

Life was good for popular Louisville, KY, bar owners and they seemed like a close couple to their customers. But, their long days working together would result in murder when he turned up dead and her son blamed her for the crime.

When a beloved woman in North Carolina is found stabbed to death in her own home, investigators uncover an unnerving history of harassment carried out by a killer blinded by jealousy.

When a mother of two is found floating in a creek, investigators in Tennessee work to untangle a twisted murder plot.

Serenity in the Montana mountains is shattered when a man is shot to death on his neighbor’s land. Detectives learn of an escalating dispute over trail access and reenact the shooting to discover if claims of self-defense match the evidence.

When a Brooklyn native is found shot to death in the backseat of his car in a rough Atlanta neighborhood, police have to figure out if trouble followed him south or if the killer is in his inner circle.

A mother responds to her estranged daughter's call for help and walks into a deadly trap.

A prison nurse fell for an inmate. Eventually, she loses her job and they get married. Faced with a life apart, she frees her inmate husband by helping him escape when he is transported from court, resulting in violence and murder.

20 years in the making, this special reexamines the Internet's first murder trial, revealing a twisted seductress with a skill for manipulation. After time in prison, she has a second chance at life and love with a stunning final update in her case.

After a mother and son are brutally attacked during a home invasion, Illinois police chase down several leads. They uncover a shocking motive with an occult leader and her loyal followers at the center of the crime.

After a massive Halloween bash ends with a young woman's mysterious disappearance, a tiny farming town fears that evil stalks its fields.

A mysterious bar fire reveals a murder and one woman's desperation to cover up her secret addiction.

Police unravel the mystery of a former Vegas showgirl, a dismembered body and a missing husband.

When a young mother is executed and her family critically injured, investigators piece together haunting clues and an earlier murder to capture deranged killers with a spiritual calling.

An Air Force sergeant is gunned down in his garage revealing an elaborate conspiracy with an unlikely mastermind.

A multimillionaire's wife plots with her brother to put a permanent end to her husband's philandering.

When a prominent Florida optometrist is bludgeoned to death in his home, Melbourne police must investigate claims of self-defense; the evidence trail leads them to a young witness who reveals a wicked murder plot.

A young widow blames depression, but was her Air Force husband's death more sinister than a suicide?

A popular police officer is killed, and the motive may be payback - by a woman scorned.

Marriage and kids didn't stop their mom from drinking and dancing. When money troubles threaten her fun, she realizes how to get more.

After a beloved father is found strangled and battered in his driveway, Wilton Manors, FL, investigators search for motives until an unsuspected confession reveals a complex web of deceit.

Just after her dad had left for church, a teenager called the police and confessed to a murder. When the cops arrived, they found her mother, violently stabbed to death. Did she do it?

How could a confrontation about a baby registration mix up lead to a violent altercation, and ultimately murder, between two expectant mothers?

A mother is found dead, another woman targeted at home, two mysterious crimes tied together with a shocking common ground. Excessive pride proves to be the downfall of one sinful perpetrator trying to preserve their reputation.

The investigation into the murder of a fellow officer plunges detectives into a cavern of secrets and lies.

A brutal attack with a hammer leads to claims of abuse and reveals a shocking secret life.

While investigating the disturbing murder of an elderly Vietnamese couple in Texas, authorities are left stunned when stories of mysticism and conspiracy come to the front of the investigation.

When a North Carolina man is found shot to death in a roadside ditch, robbery seems to be a plausible motive, but the case remains cold for years until a mysterious letter reveals a more sinister motive than anyone could have imagined.

The sudden and violent death of a young teenage mom in Santa Fe uncovers a love triangle and while detectives have multiple suspects in their grasp, they are taken aback when the true murderer shows their face on camera.

A woman finds her husband dead and proclaims her innocence, but questions about his wealth, a suspicious fire and her scandalous past raise red flags.

A missing person case goes cold until a nervous breakdown leads to a confession. Were the clues really there or was the evidence just cooked up?

In Toronto, a Canadian woman gets caught up in a love triangle... and a murder investigation. (also shown as S8:E24)

(S31:E20) wasn't aired at this time as she is getting a new trial. // A frantic 911 call leads police to the bodies of Pam Hargan and her youngest adult daughter Helen Hargan in what appears to be a murder-suicide in the upscale neighborhood of McLean, VA. Investigators soon discover a trail of deceit that exposes an unexpected killer.

Forced to choose between her mother and her boyfriend, a Florida teen makes a deadly decision in West Palm Beach, FL. (also shown as S8:E14)

An extended version of a 2008 episode, S6:E14, exploring the criminal case of Michelle Michael, featuring updated news and extra footage. Michael was accused of giving her husband a lethal injection and then setting fire to their West Virginia home in November 2005. (also shown as S8:E26)

In Boynton Beach, FL, a beautiful young woman is caught on tape plotting to kill her husband -- but was it real or an audition for reality TV? (also shown as S8:E18)

A chemist, a dying husband and a suicide add up to a murder mystery in Raleigh, NC. (original aired S6:E21)

Arthur Burney’s death seemed to be from natural causes, until a medical examiner discovered a bullet in his head. The investigation reveals shocking and disturbing secrets about the double life of his wife and teenage daughter.

A teen love triangle ends with a missing girl, a dismembered body and three families changed forever in East Moline, IL. (also shown as S8:E12)

A man awakens alone to find a knife-wielding man in his bedroom -- but is his absent wife a victim or an accomplice? (original aired S6:E10)

When Latin pop star Selena is found bleeding to death in a hotel lobby, authorities begin to suspect that Yolanda Saldivar-her number one fan and close friend, may not have been as loyal as Selena thought. (also shown as S14:E13)